<template>
  <div
    :class="animate"
    :style="{ height: height, width: width }"
    :id="chartOption.bindingDiv"
  >
    <div
      class="graph"
      :style="'height:' + graphHeight + 'px;' + 'width:' + graphWidth + 'px'"
    >
      <SeeksRelationGraph ref="seeksRelationGraph" />
    </div>
  </div>
</template>

<script>
import SeeksRelationGraph from "relation-graph";
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "@/views/dashboard/mixins/resize";

import "../../animate/animate.css";

import { parseQueryString, fIsUrL } from "../../util/urlUtil";
import { linkChart } from "../../util/LinkageChart";
import { chartApiBar, remoteChartApi } from "@/api/tool/datav/chartApi";

import { addOption } from "../../codegen/codegen";

// import { pieBIanalysis } from '@/api/tool/datav/chartBI/chartPieBI'
// import { getFormsource } from '@/api/tool/datav/formsource'

const animationDuration = 6000;
import VueEvent from "@/views/tool/datav/VueEvent";
import { websocketCommand } from "../../util/websocket.js";

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart"
    },
    width: {
      type: String,
      default: "100%"
    },
    height: {
      type: String,
      default: "100%"
    },
    chartOption: {
      type: Object
    },
    drawingList: {
      type: Array
    }
  },
  components: { SeeksRelationGraph },
  data() {
    return {
      chart: null,
      //dataOption: this.chartOption,
      timer: "",
      wsObj: null,
      wsFlag: false,
      wsTimer: "",
      wsValue: null,
      animate: this.className,
      graphWidth: Number(this.width.slice(0, -2)) * 0.8,
      graphHeight: Number(this.height.slice(0, -2)) * 0.8
    };
  },
  watch: {
    width() {
      this.$nextTick(() => {
        // this.chart.resize();
        this.graphWidth = Number(this.width.slice(0, -2)) * 0.8;
      });
    },
    height() {
      this.$nextTick(() => {
        // this.chart.resize();
        this.graphHeight = Number(this.height.slice(0, -2)) * 0.8;
      });
    },
    chartOption: {
      deep: true,
      handler(newVal, oldValue) {
        this.setOptions(JSON.parse(JSON.stringify(newVal)));
      }
    },
    "chartOption.theme": {
      handler() {
        this.chart.dispose();
        this.chart = null;
        this.initChart();
      }
    },
    "chartOption.timeout": {
      handler() {
        this.chart.dispose();
        this.chart = null;
        this.initChart();
      }
    },
    "chartOption.dataSourceType": {
      handler(value) {
        //切换数据源重新连接
        if (value !== "websocket") {
          this.wsFlag = false;
          //每次切换数据源恢复原来动画
          this.animate = this.className;
        }
        if (value !== "url") {
          clearTimeout(this.timer);
        } else {
          this.initChart();
        }
      }
    },
    "chartOption.interfaceKey": {
      handler(newValue, oldValue) {
        //初始化不创建连接，改变接口地址重新创建
        if (oldValue !== undefined) {
          this.wsValue = null;
          this.closeWs();
          this.createWs();
          this.animate = this.className;
        }
      }
    },
    wsFlag: {
      handler(value) {
        if (!value) {
          this.wsValue = null;
          this.closeWs();
        }
      }
    },
    className: {
      handler(value) {
        this.animate = value;
      }
    }
  },
  mounted() {
    this.initChart();
  },
  //   beforeDestroy() {
  //     if (!this.chart) {
  //       return;
  //     }
  //     this.chart.dispose();
  //     this.chart = null;
  //     clearTimeout(this.timer);
  //     if(this.wsFlag){
  //       this.closeWs()
  //     }
  //   },
  methods: {
    initChart() {
      //   echarts.registerTheme('customTheme', this.chartOption.theme);
      //   this.chart = echarts.init(document.getElementById(this.chartOption.bindingDiv), 'customTheme');
      this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      //判断是否开启定时器，当是访问url接口时候并且timeout不为0时候开启定时器
      if (this.timer != "") {
        clearTimeout(this.timer);
      }
      if (
        (this.chartOption.dataSourceType == 'url' || this.chartOption.dataSourceType == 'database') &&
        this.chartOption.timeout > 0
      ) {
        let timerTask = () => {
          this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
          this.timer = setTimeout(() => {
            timerTask();
          }, this.chartOption.timeout);
        };

        timerTask();
      }
    },
    setOptions: async function(dataOption) {
      // console.log("remote=>", dataOption.remote);
      //初始化数据，判断数据源
      //如果不是静态数据就调用接口给staticDataValue赋值
      if (dataOption.dataSourceType == "url") {
        let paramJson = parseQueryString(dataOption.requestParameters);
        //let interfaceURL = 'http://localhost:8088/chart/api/bar';
        let interfaceURL = dataOption.interfaceURL;
        dataOption.staticDataValue = await chartApiBar(
          dataOption.requestMethod,
          interfaceURL,
          paramJson,
          dataOption.token
        );
        //先判断输入的url是否合法
        // if(fIsUrL(dataOption.interfaceURL)) {
        //   try {
        //     //ajax请求
        //     var paramJson = parseQueryString(dataOption.requestParameters);
        //   } catch (error) {

        //   }
        // }

        //console.log(paramJson);
      } else if (dataOption.dataSourceType == "database") {
        if (
          dataOption.database.executeSql != undefined &&
          dataOption.database.executeSql != ""
        ) {
          let result = await pieBIanalysis(dataOption.database);
          if (result.code == 200) {
            dataOption.staticDataValue = result.data;
            //console.log(dataOption.staticDataValue);
          } else {
            alert("操作数据库错误");
          }
        }
      } else if (dataOption.dataSourceType == "form") {
        if (dataOption.formSource != undefined) {
          let response = await getFormsource(dataOption.formSource.id);
          dataOption.staticDataValue = JSON.parse(response.data.formData);
        }
      } else if (dataOption.dataSourceType == "websocket") {
        if (
          dataOption.interfaceKey != undefined &&
          dataOption.interfaceKey != ""
        ) {
          if (!this.wsFlag) {
            this.wsFlag = true;
            this.wsValue = null;
            this.createWs();
          }
          if (this.wsValue != null) {
            dataOption.staticDataValue = this.wsValue;
          }
        }
      }

      if (dataOption.animate != null) {
        //添加动画样式
        //animateUtil.addAnimate(dataOption.bindingDiv, dataOption.animate);
      }

      this.$refs.seeksRelationGraph.setOptions(
        dataOption.defaultGraphOptions,
        () => {}
      );
      this.$refs.seeksRelationGraph.setJsonData(
        dataOption.staticDataValue,
        seeksRGGraph => {}
      );
      //   addOption(dataOption.bindingDiv, option);
      /** 
      //开启图表联动
      if(dataOption.isLink == true){
          this.chart.off("click");
          this.chart.on('click', params => {
            //设置参数
            let arrObject = {             
              "legendName":params.name,
              "seriesName":params.seriesName,
              "data":params.value
            }

            let arrs = JSON.stringify(arrObject);
            
            //获取绑定的图表
            let bindList = this.chartOption.bindList;
                          
            if(bindList.length > 0){
              
              linkChart(dataOption.arrName, arrs, bindList,this.drawingList)

            }
            
          })
      }
      // else{
      //   //关闭图表联动，取消echart点击事件
      //   this.chart.off('click');
      // }

      //开启图表下钻
      else if(dataOption.isDrillDown == true){
          this.chart.off("click");
          this.chart.on('click', params => {
            
            //设置参数
            let arrObject = {             
              "legendName":params.name,
              "seriesName":params.seriesName,
              "data":params.value
            }

            let arrs = JSON.stringify(arrObject);
            
            //获取绑定的图表
            let drillDownChartOption = this.chartOption.drillDownChartOption;
                          
            if(drillDownChartOption != undefined && drillDownChartOption != null){
              
              this.$set(this.chartOption.drillDownChartOption.chartOption, 'requestParameters', "drillParam="+arrs);
              //发送下钻消息
              VueEvent.$emit("drill_down_msg", this.chartOption.drillDownChartOption);

            }
            
          })
      }
      else{
        //关闭图表联动，取消echart点击事件
        this.chart.off('click');
      }

      //开启远程图表控制
      if(dataOption.isRemote == true){
        if(dataOption.remote != undefined && dataOption.remote != null){
          this.chart.off("click");
          this.chart.on('click', params => {
            //设置参数
            let arrObject = {             
              "legendName":params.name,
              "seriesName":params.seriesName,
              "data":params.value
            }

            let remoteData = { ...dataOption.remote };
            remoteData.query = arrObject;
            //调用接口
            remoteChartApi(remoteData)
            
          })
        }
      }*/
    },
    //  ws连接成功，后台返回的ws数据
    receiveMsg(e) {
      if (e.action == "chat") {
        // console.log('服务端推送',e);
        this.wsValue = JSON.parse(e.result);
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    // 建立连接、发起ws请求，以心跳方式，向服务端发送数据
    createWs() {
      this.wsObj = new WebSocket(process.env.VUE_APP_WEBSOCKET);
      // 若为对象类型，以回调方式发送
      websocketCommand(
        this.wsObj,
        "create",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
    },
    // 断网重连，需要处理的逻辑
    reconnectWs() {
      if (this.wsObj) {
        console.log("%c websocket_reconnect", "color:blue");
        this.createWs();
      }
    },
    // 以回调方式向服务端发送(对象类型的)心跳
    sendHeartBeat() {
      if (this.wsTimer != "") {
        clearTimeout(this.wsTimer);
      }

      let wsTimerTask = () => {
        console.log("发送心跳", "ping");
        let obj = { action: "keep", key: this.chartOption.interfaceKey };
        this.wsObj.send(JSON.stringify(obj));
        this.wsTimer = setTimeout(() => {
          wsTimerTask();
        }, parseInt(process.env.VUE_APP_WEBSOCKET_TIMEOUT));
        this.wsWarning();
      };

      wsTimerTask();
    },
    wsWarning() {
      //如果断开连接则显示组件警告动画并清除计数器
      if (this.wsObj.readyState == 3) {
        this.animate = "warning";
        clearTimeout(this.wsTimer);
      }
    },
    closeWs() {
      clearTimeout(this.wsTimer);
      websocketCommand(
        this.wsObj,
        "close",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
      this.wsObj = null;
    }
  }
};
</script>

<style scoped>
.graph >>> .rel-map {
  background-color: transparent;
}
</style>
